interface SpeakHello {
	void speak();
}
class  HelloMachine {
	public void turnOn(SpeakHello hello) {
		hello.speak();
	}
}
public class Example7_3 {
	public static void main(String args[]) {
		HelloMachine machine = new HelloMachine();
		machine.turnOn( new SpeakHello(){     //和接口SpeakHello有关的匿名类
			public void speak() {
				System.out.println("hello,you are welcome!");
			}
		} 
		);                 
		machine.turnOn( new SpeakHello(){ //和接口SpeakHello有关的匿名类

			public void speak() {
				System.out.println("你好，欢迎光临!");
			}
		} 
		); 
	} 
}
